Last updated: August 27, 2025
In September, Schaffhausen, Switzerland experiences a delightful transition from summer warmth to early autumn coolness. Daytime temperatures can soar up to a maximum of 30°C (85°F), while the average hovers around a comfortable 15°C (59°F). The month also presents cooler evenings, with temperatures dipping to a minimum of 1°C (35°F). Despite the warmth, the area receives an average precipitation of 66 mm (2.6 in) over 11 days, leading to a relatively high humidity level of 83%. This blend of warmth and moisture creates a vivid environment that captures the essence of the changing seasons in this picturesque Swiss town.
In September, Schaffhausen experiences a delightful transition as summer softly gives way to autumn. With average temperatures hovering around 15°C (59°F), the city enjoys mild days that often peak at a cozy 30°C (85°F), providing ample opportunity for outdoor activities and sightseeing. The nights begin to cool down, dipping to a minimum of 1°C (35°F), creating a refreshing contrast. As the month progresses, this temperature trend signifies the gradual shift towards cooler conditions, subtly encouraging visitors to embrace the stunning autumn foliage that adorns the region. Overall, September in Schaffhausen strikes a harmonious balance, blending the lingering warmth of summer with the crispness of early fall.
In September, Schaffhausen experiences a mild shift in its precipitation patterns, with 66 mm (2.6 in) of rainfall recorded over 11 days. This amount is lower than the preceding summer months, particularly August's substantial 102 mm (4.0 in), indicating a gradual transition towards the drier autumn season. Interestingly, while September's rainfall diminishes, it still contributes to the region's overall lushness, keeping the landscape vibrant. As the year progresses, precipitation tends to taper off, peaking again in the wetter months of late autumn and early winter, highlighting the fluctuating climate that characterizes the region's yearly cycle.
In Schaffhausen, Switzerland, September marks a transition as humidity gently settles at 83%, slightly higher than the preceding summer months but still lower than the peaks of winter. This dip follows a trend of gradually decreasing humidity from the depths of winter, where levels soar above 90%, down to the summer's more moderate figures. As autumn approaches, the air retains a touch of warmth while moisture levels remain relatively stable, indicative of a shift toward the cooler months ahead. Interestingly, as the year progresses, humidity gradually creeps back up, hinting at the lush, damp conditions that will define the colder months.
As summer gives way to autumn, September in Schaffhausen sees a slight decline in the UV Index, dropping to 6, which places it in the high exposure category. This means that while it’s still a good time to enjoy the outdoors, sun protection is essential, particularly for extended periods under direct sunlight, as the burn time reduces to 25 minutes. Compared to the peak summer months, September's UV levels indicate a transition, yet they remain significant enough for residents and visitors to be mindful of their skin protection. For more detailed insights on UV levels throughout the year, check out Schaffhausen UV Index.
UV Risk Categories
As summer gracefully transitions to autumn, September in Schaffhausen, Switzerland, offers a delightful blend of warm days and refreshing breezes. With 316 hours of sunshine, this month continues the trend of plentiful daylight, although a subtle decline is noticeable compared to the sun-drenched July and August, which recorded 406 and 375 hours respectively. The gradual decrease in sunlight from the peak summer months hints at nature’s shift towards cozy fall days, yet September still boasts significantly more sunshine than the chillier months ahead, such as October and November. With vibrant foliage and golden hour light painting the picturesque landscapes, September remains a cherished time to enjoy the outdoors before winter settles in.
September in Schaffhausen, Switzerland, brings with it a promising 44% chance of sunny weather, making it one of the more favorable months for sunshine as summer transitions into autumn. This figure reflects an interesting trend where the likelihood of sunshine begins to peak after the early summer months, contrasting sharply with the dreary days of winter, which average just 20% in December. While June and July hover around a 34% chance, September's warmth and brightness suggest a gentle resurgence before the cooler months set in. As the leaves start to change, locals and visitors alike can enjoy a lovely balance of warmth and light, inviting them to explore the stunning landscapes of this charming region.
In September, Schaffhausen experiences a delightful reduction in daylight, with approximately 12 hours of sunlight gracing each day. Following the vibrant summer months of June, July, and August, which offer a generous 15 to 14 hours of luminosity, the transition to autumn begins to subtly unfold. This month signals a shift, as the days grow shorter, reminding residents that the cozy embrace of fall is on the horizon. As daylight dwindles, from a peak in summer down to the 10 hours in October, the natural rhythm of the seasons envelops the landscape, inviting a change in atmosphere and activities.
In September, the winds in Schaffhausen whisper gently, with an average speed of just 1.9 m/s (4 mph), reflecting the calm that often accompanies the transition to autumn. This slight downturn in wind speed follows a trend of moderately breezy months from January to May, where speeds peak at 3.3 m/s (7 mph) in May, indicative of spring's playful nature. As summer wanes, wind speeds remain subdued, dipping to their lowest in September and June. With the arrival of October, the winds pick up again to 2.1 m/s (5 mph), hinting at the change of seasons ahead. Overall, September in Schaffhausen serves as a gentle reminder of nature's cyclical calm, preparing its backdrop for the vibrant hues of fall.
Weather in Schaffhausen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Schaffhausen, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a pleasant minimum of 1°C (35°F) to a warm maximum of 30°C (85°F), with an average of 15°C (59°F). This month receives around 66 mm (2.6 in) of precipitation over 11 days, accompanied by a humidity level of 83%. In comparison, January is much colder, with minimum temperatures dropping to -13°C (8°F) and a maximum of 15°C (59°F), yielding an average of just 1°C (34°F). This midwinter month sees slightly higher precipitation at 81 mm (3.2 in) over the same number of days, but the humidity rises to 92%, contributing to the frigid conditions. For a detailed look at the January climate, you can check out Schaffhausen weather in January.
September and February present contrasting weather patterns, with September typically offering warmer temperatures, ranging from a chilly 1°C (35°F) at night to a comfortable 30°C (85°F) during the day. In contrast, February experiences much colder conditions, with nighttime lows reaching -11°C (13°F) and daytime highs capping at 18°C (65°F). Both months see a similar amount of precipitation, around 63-66 mm (2.5-2.6 in), spread over approximately 11 days, but February tends to have higher humidity at 89% compared to September's 83%. For a more detailed look at February weather, check out Schaffhausen weather in February.
In comparing the weather between September and March, notable differences in temperature and precipitation patterns emerge. September enjoys a more temperate climate, with temperatures ranging from a cool 1°C (35°F) to a warm 30°C (85°F) and an average of 15°C (59°F). In contrast, March experiences much colder conditions, featuring a range of -12°C (11°F) to 21°C (69°F) and an average of only 6°C (42°F). Both months see a fair amount of precipitation, with March recording 73 mm (2.9 in) over approximately 14 days, slightly more than September's 66 mm (2.6 in) spread over 11 days. Humidity levels are also high in both months, with March at 87% and September at 83%. For more details on the weather in March, you can visit Schaffhausen weather in March.
September and April exhibit striking differences in weather patterns. In September, temperatures range from a minimum of 1°C (35°F) to a maximum of 30°C (85°F), with an average temperature of 15°C (59°F) and humidity at 83%. With 66 mm (2.6 in) of precipitation over about 11 days, September tends to be mildly warm and somewhat wet. In contrast, April experiences cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 26°C (80°F), averaging around 10°C (50°F) and maintaining a slightly higher humidity of 84%. April receives less precipitation, totaling 53 mm (2.1 in) over about 9 days, suggesting a transition towards warmer and drier weather as spring unfolds. For a more detailed look at the weather in this month, check out Schaffhausen weather in April.
When comparing the weather in September and May, there are notable differences in temperature and precipitation patterns. September typically experiences a wider range of temperatures, with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), averaging around 15°C (59°F). In contrast, May starts off cooler with minimum temperatures dropping to -2°C (29°F) and averaging 13°C (56°F), yet it can also reach a maximum of 30°C (87°F). Precipitation is more frequent in May, with about 109 mm (4.3 in) spread over 16 days compared to September's 66 mm (2.6 in) over 11 days. Humidity levels are slightly higher in September at 83%, while May maintains a humidity level of 80%. For more detailed insights into May's weather, visit Schaffhausen weather in May.
In comparing the weather between September and June, we find notable differences in temperature and precipitation. September experiences a broader range of temperatures, with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), while June is generally warmer, with temperatures ranging from 6°C (44°F) to 34°C (93°F). Additionally, June sees higher precipitation levels, averaging 113 mm (4.5 in) over 13 days compared to September's 66 mm (2.6 in) over 11 days. Humidity levels remain quite similar in both months, with September at 83% and June at 82%. For more detailed information, you can check Schaffhausen weather in June.
In comparing the weather of September and July, September offers a wider range of temperatures with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), while July maintains a warmer profile with a minimum of 7°C (45°F) and a peak of 36°C (97°F). The average temperature in September sits at 15°C (59°F), noticeably cooler than July's average of 20°C (68°F). Both months experience high humidity levels of 83%, yet September has slightly less precipitation at 66 mm (2.6 in) over 11 days compared to July's 76 mm (3.0 in) over 14 days. For more detailed insights into July’s weather, visit Schaffhausen weather in July.
In comparing the weather of September and August, September tends to be cooler with a minimum temperature of 1°C compared to August’s warmer 7°C. The average temperature in September is 15°C, significantly lower than August's 19°C, while the maximum temperature can reach 30°C in September, which is still below August’s high of 35°C. Precipitation levels are also lower in September, with 66 mm over 11 days, compared to August's 102 mm over 13 days, although September has a slightly higher humidity level of 83% versus August's 80%. For more detailed information on August weather, you can visit Schaffhausen weather in August.
September weather is characterized by a wide temperature range, with minimums at 1°C and maximums reaching up to 30°C, leading to an average of 15°C. The month sees moderate precipitation at 66 mm over 11 days, along with relatively high humidity at 83%. In contrast, October introduces cooler temperatures, where the minimum drops to -1°C and the maximum peaks at 23°C, averaging around 10°C. The month experiences slightly higher precipitation at 78 mm over 12 days and increased humidity at 90%. For more details, you can check Schaffhausen weather in October.
In September, the weather is generally much warmer, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 30°C (85°F) and an average of 15°C (59°F). The month experiences higher humidity at 83% and total precipitation of 66 mm (2.6 in) over 11 days. In contrast, November brings cooler temperatures, with a minimum of -3°C (27°F) and an average of 4°C (40°F), peaking at 19°C (67°F). While the average precipitation in November is slightly lower at 54 mm (2.1 in) over the same number of days, the humidity increases to 88%, making it feel quite damp. For more detailed insights, you can check Schaffhausen weather in November.
September and December present a stark contrast in weather conditions. In September, temperatures range from a chilly 1°C (35°F) at night to a warm 30°C (85°F) during the day, with an average of 15°C (59°F). This month experiences about 66 mm (2.6 in) of precipitation over 11 days, along with a humidity level of 83%. In contrast, December sees much colder temperatures, with a minimum of -6°C (21°F) and a maximum of only 13°C (56°F). The average temperature drops to 2°C (36°F), and precipitation increases to 103 mm (4.1 in) spread over 17 days, accompanied by a higher humidity of 90%. For more details on what to expect in December, you can check out Schaffhausen weather in December.
As summer gracefully transitions into autumn, September in Schaffhausen showcases a remarkable shift in weather patterns. The days remain pleasantly warm, with the occasional peak temperature evoking the last whispers of summer, while the nights noticeably cool down, inviting cozy evenings. With increased humidity and a fair bit of precipitation over the month, September exhibits a unique blend of lingering warmth and the refreshing crispness of fall. This month, characterized by its dynamic weather, stands apart, making it an ideal time to revel in serene landscapes as nature prepares for the vibrant colors of autumn. For more insights on the region's weather trends, explore the details at Schaffhausen Climate.